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Home › Kia › 2004 › Rio Base, Automatic › Repair and Diagnosis › Engine Performance › System › Fuel System & Fault Isolation › DTC Troubleshooting › DTC P0230: Fuel Pump Circuit Malfunction › Inspection/Repair › Component Inspection

Component Inspection

  1. Ignition "OFF"
  2. Remove the fuel pump relay
  3. Apply 12V and a ground to 1 and 4 of the fuel pump relay (Component side)
  4. Check if the fuel pump relay works well when it is energized. (If the fuel pump relay works normally, a clicking sound can be heard.)
  5. Does the fuel pump relay operate normally?

    YES

    1. Go to "W/HARNESS INSPECTION " procedure.

    NO

    1. Check relay for contamination, deterioration, or damage. Substitute with a known-good relay and check for proper operation. If the problem is corrected, replace relay and then go to "VERIFICATION OF VEHICLE REPAIR " procedure
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